Containers are used to define and contain the various sections of your page in the building tool
You can then add other blocks (or even more containers) inside the container There are a few reserved names for special containers To add content or another container below the current one click the + beside the container name block
In the html code of your page they create
<div class= "xt_container" data-xtcontainer="container name">...... </div>
You can set the name of the container
This shows in the building tool
The data-xtcontainer="container name" is what tells the building tool to treat the block as a named container
The css class "xt_container" is assigned to the container by default
You can add a second class to add more styles to the container
these must be defined in your global_stylesheet.css file or with the page css editor from the building tool
There is also a alignment parameter to hold the basic text-align for the container